Recycling Natural Materials

Question 1

process that removes carbon dioxide from atmosphere

Answer 1

photosynthesis

Question 2

processes that add carbon dioxide to atmosphere

Answer 2

combustion, respiration

Question 3

water is needed in living organisms for

Answer 3

photosynthesis, cytoplasm, anaerobic respiration, moisture layer (around brain/lungs - reduces friction), so plants can absorb minerals, plant cell vacuole, blood, chemical reactions, waste removal, sweat, tears, lymph